There is one thing we have developed good command prominence in world, i.e Launch vehicles and commercial launch vehicles. Hopefully, the applications of satellite technology for home use will improve as we can negotiate more with giant companies like google to share their technology and platforms.

I have my reservations on this until they prove it. ISRO launched the Bhuvan which was pitted against the Google's Earth. Sadly, it was no way near to Google.

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Bhuvan got just 2 satellites as of now, 5 more to go, by 2016 they should be able to give much better navigational help.
Map Software will take its time to come upto level of Google Earth, both budget and technical resources are limited for the Bhuvan project.

Have been using from quite some time. I think its a better replacement for Sygic. Nokia HERE offline map for Android - Beta. And the load time and search is too good. Have been using for only bangalore as of now.

Features

Offline navigation: Interactive maps and turn-by-turn voice guidance are still available even without an internet connection.

Maps to download and to use offline for nearly 100 countries.

Public transport maps and directions for over 800 cities in over 40 countries, also when you’re offline.

Live traffic info for more than 40 countries.

Plan your journey on beta.here.com, then find your way there using your mobile.

I have installed Sygic which works for one week only later have to purchase the license.

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It's free version and Nokia is trying hard to migrate Google Map users to HERE maps. Believe me I've used Sygic and HERE both, the GPS load time is very bad in Sygic were as its very fast in HERE maps.

im using Alcatel One touch 4.2.2 Kitkat.i have downloaded the app.Now downloading the offilne Maps.
Seems like my device signal is very week,is there any android specific app which enhances the GPS signal ?

im using Alcatel One touch 4.2.2 Kitkat.i have downloaded the app.Now downloading the offilne Maps.
Seems like my device signal is very week,is there any android specific app which enhances the GPS signal ?